12254-3108 I 1554 CD
12h 25m 22.55s -31° 07' 02.9" P.A. 72.00 sep 1.2 mag 9.51,12.50 Sp F5
Coord 2000 |
12254-3108 |
|
Discov num |
I 1554 |
|
Comp |
CD |
|
Coord arcsec 2000 |
12 25 22.55 -31 07 02.9 |
|
Date first |
1927 |
|
Date last |
1960 |
|
Obs |
3 |
|
Pa first |
56 |
|
Pa last |
72.4 |
|
P.A. Now (θ) |
72.4° |
|
Sep first |
1.2 |
|
Sep last |
1.15 |
|
Sep. Now (ρ) |
1.15" |
|
Mag pri |
9.51 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.99 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
-008 |
|
Sec motion dec |
|
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
12254-3108 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 108111 |
203453 |
12 25 24 -31 07 50 |
SEE 152 AB |
2015 |
12 |
85 |
2.5 |
8.56 |
10.48 |
1.92 |
|
|
Show |
|
203453 |
12 25 24 -31 07 50 |
DAM 2481 AB,CD |
2015 |
13 |
341 |
49.9 |
8.56 |
9.51 |
0.95 |
|
|
Show |
|
|
12 25 23 -31 07 03 |
I 1554 CD |
1960 |
3 |
72 |
1.2 |
9.51 |
12.50 |
2.99 |
|
<=== |
Quadruple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hydra |
|
Tycho2 |
7233-01019-1 |
|